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词汇 ostium
语种 英语、汉语、英汉翻译、汉英翻译
释义 ostium
noun[ C ]
 anatomy specializeduk /ˈɒs.ti.əm/ us /ˈɑː.sti.əm/pluralostiauk /ˈɒs.ti.ə/ us /ˈɑː.sti.ə/
a hole or opening in a body part:
The mucus produced in your sinuses normally drains into your nose through small holes called ostia.
The catheter is advanced until its end reaches the coronary ostium.
The sinus balloon catheter tools were effective in dilating the sinus ostia.
This allows the stent to be deployed in the ostium of the vessel.
The ostia can become narrow or even blocked if the sinuses get infected and inflamed.
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更新时间:2025/7/18 14:41:25